# Kernel config based on: arch/arm/configs/peregrine_defconfig

pkgname="linux-motorola-peregrine"
pkgver=3.4.113
pkgrel=0
pkgdesc="Motorola Moto G (2013) 4G Edition kernel fork"
arch="armhf"
_carch="arm"
_flavor="motorola-peregrine"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev 
			 coreutils dtbtool xz"
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source
_repository="android_kernel_motorola_msm8226"
_commit="55e9e0430fffc4adaee54eb75a6fc2382f9beaaf"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	00_fix_return_address.patch
	01_gpu-msm-fix-gcc5-compile.patch
	02_mdss_fb_refresh_rate.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

	# gcc6 support
	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"

	# Remove -Werror from all makefiles
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror-/-W/g'
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror//g'

	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
	cp "$srcdir"/$_config "$builddir"/.config
	yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
}

menuconfig() {
	cd "$builddir"
	make ARCH="$_carch" menuconfig
	cp .config "$startdir"/$_config
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
		
	# Generate master DTB
	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm/boot/dt.img" "arch/arm/boot/"
}

package() {
	# kernel.release
	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi
	
	# Master DTB
	install -Dm644 "$builddir/arch/arm/boot/dt.img" \
	"$pkgdir/boot/dt.img"
}

sha512sums="0acfd3c615e08398f673409f5414295f6673bb9c8e4c1dc8f30824850b414990adc3ed516884b1e8b7d11bbe8beb6c440eede1dc2f14000678de83797e2a10db  linux-motorola-peregrine-55e9e0430fffc4adaee54eb75a6fc2382f9beaaf.tar.gz
45a396ae3f5bcc0c222e701572bee63027f48d6a2321d6df970d215d579f99d2fa7ff8bb3ee69c5c6c37acf05ff791edcd55e82f11fe1c33053b73810950af76  config-motorola-peregrine.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
ea1d3b5a234fa565e3c1a792de48f4fc4e6023d281d303c8e319c7ef28edc5739ab0e4dea0139a41f0a5c7d03e27921ccaa214fd0ac5c72245a094ce60128864  00_fix_return_address.patch
7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881  01_gpu-msm-fix-gcc5-compile.patch
a8c955bf718f155011e980f3d0948be98e1fee5649f418299a4851780543019daf7afa406aa7b0829375645107e4e6fbf241026b0cabe2b2ac895a47df83d2d8  02_mdss_fb_refresh_rate.patch"
